xspritaamey14 xspritaamey14

26-01-2017
Chemistry

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What can be concluded about the atom from knowing that oxygen-18 has an atomic number of 8?

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AcaciaBlossom AcaciaBlossom

26-01-2017

I use this method to remember:
Let's use A as the mass number, and A = protons + neutrons
Z is the atomic number, which is protons
To get neutrons, you subtract A from Z.
So in this sense, neutrons = 18 - 8 = 10
I hope this helps with your work. :)

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